CN108508616A - A kind of 3D display system and 3D display device - Google Patents
A kind of 3D display system and 3D display device Download PDFInfo
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- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
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Abstract
Description
技术领域technical field
本发明涉及3D显示技术领域，具体而言，涉及一种3D显示系统及3D显示装置。The present invention relates to the technical field of 3D display, in particular to a 3D display system and a 3D display device.
背景技术Background technique
3D显示技术主要是通过使观看者的左眼与右眼分别接收到不同的影像，从而获得立体感。而裸眼3D显示器是不需要观看者佩戴眼镜或头盔等助视设备就能观看3D影像的一种3D显示器，其中光栅3D显示器由于结构简单、造价低廉、性能良好等优点而备受关注。The 3D display technology mainly obtains a three-dimensional effect by making the viewer's left eye and right eye respectively receive different images. The naked-eye 3D display is a 3D display that can watch 3D images without the viewer wearing glasses or helmets. Among them, the grating 3D display has attracted much attention due to its simple structure, low cost, and good performance.
现有的光栅3D显示器根据光栅的不同，分为狭缝光栅3D显示器和柱透镜光栅3D显示器。柱透镜光栅3D显示器通过在2D显示面板前设置柱透镜光栅作为分光元件将2D显示面板上不同位置的多幅视差图像折射到不同方向，从而让观看者产生立体感，且2D显示面板需设置在柱透镜光栅的焦平面上。但是现有的柱透镜光栅3D显示器易使观看者产生视疲劳，从而影响观看者的视力。Existing grating 3D displays are classified into slit grating 3D displays and cylindrical lens grating 3D displays according to different gratings. The lenticular lens grating 3D display refracts multiple parallax images at different positions on the 2D display panel to different directions by setting the lenticular lenticular grating in front of the 2D display panel as a light splitting element, so that the viewer can have a three-dimensional effect, and the 2D display panel needs to be set at The focal plane of the cylindrical lens grating. However, the existing lenticular lens grating 3D displays tend to cause visual fatigue to the viewer, thereby affecting the viewer's eyesight.
发明内容Contents of the invention
本发明的一个目的在于提供一种3D显示系统，以改善现有技术中的柱透镜光栅3D显示器易使观看者产生视疲劳的问题。An object of the present invention is to provide a 3D display system to improve the problem that the 3D display with lenticular lens gratings in the prior art tends to cause visual fatigue to viewers.
本发明的另一个目的在于提供一种3D显示装置，其包括上述的3D显示系统。Another object of the present invention is to provide a 3D display device, which includes the above-mentioned 3D display system.
本发明的实施例是这样实现的：Embodiments of the present invention are achieved like this:
一种3D显示系统，其包括2D显示面板、柱透镜光栅和掩模；柱透镜光栅设置在2D显示面板前方；掩模设置在2D显示面板与柱透镜光栅之间，或2D显示面板远离柱透镜光栅的一侧，且掩模与柱透镜光栅之间的距离小于柱透镜光栅的焦距；A 3D display system comprising a 2D display panel, a cylindrical lens grating and a mask; the cylindrical lens grating is arranged in front of the 2D display panel; the mask is arranged between the 2D display panel and the cylindrical lens grating, or the 2D display panel is away from the cylindrical lens One side of the grating, and the distance between the mask and the cylindrical lens grating is less than the focal length of the cylindrical lens grating;
掩模包括沿第一方向设置多个深度调制条纹组，深度调制条纹组与对应的2D显示面板上的图像深度相匹配，用于根据图像深度对图像进行调制。The mask includes a plurality of depth modulation fringe groups arranged along the first direction, the depth modulation fringe groups match the depth of the image on the corresponding 2D display panel, and are used to modulate the image according to the depth of the image.
在本发明的一个实施例中：In one embodiment of the invention:
上述深度调制条纹组包括多个交替排列的第一深度调制条纹和第二深度调制条纹，第一深度调制条纹和第二深度调制条纹的节距相同；第一深度调制条纹和第二深度调制条纹的节距与对应深度相匹配。The above depth modulation stripe group includes a plurality of alternately arranged first depth modulation stripes and second depth modulation stripes, the pitch of the first depth modulation stripes and the second depth modulation stripes is the same; the first depth modulation stripes and the second depth modulation stripes The pitch matches the corresponding depth.
在本发明的一个实施例中：In one embodiment of the invention:
上述第一深度调制条纹包括沿第一方向设置的第一透光条和第二透光条；第二深度调制条纹包括沿第一方向设置的第二透光条和第一透光条；第一透光条和第二透光条的透光率不同。The first depth modulation stripes include first light transmission strips and second light transmission stripes arranged along the first direction; the second depth modulation stripes include second light transmission stripes and first light transmission stripes arranged along the first direction; The light transmittance of the first light-transmitting strip and the second light-transmitting strip are different.
在本发明的一个实施例中：In one embodiment of the invention:
上述第二透光条为挡光条。The above-mentioned second light-transmitting strip is a light-blocking strip.
在本发明的一个实施例中：In one embodiment of the invention:
上述掩模紧贴2D显示面板设置。The above-mentioned mask is placed in close contact with the 2D display panel.
在本发明的一个实施例中：In one embodiment of the invention:
上述2D显示面板为液晶显示面板。The above-mentioned 2D display panel is a liquid crystal display panel.
在本发明的一个实施例中：In one embodiment of the invention:
上述掩模设置在2D显示面板远离柱透镜光栅的一侧。The above-mentioned mask is arranged on the side of the 2D display panel away from the cylindrical lens grating.
一种3D显示装置，包括上述任意一种3D显示系统A 3D display device, including any one of the above-mentioned 3D display systems
本发明实施例的有益效果是：The beneficial effects of the embodiments of the present invention are:
本发明的实施例提供了一种3D显示系统，其包括2D显示面板、柱透镜光栅和掩模。柱透镜光栅设置在2D显示面板前方，且柱透镜光栅与掩模之间的距离小于柱透镜光栅的焦距。当观看者观看时，目光经过柱透镜光栅后在掩模上形成一光斑。掩模包括多个沿第一方向设置的深度调制条纹组，第一方向与光斑的延伸方向相同，深度调制条纹组与对应的2D显示面板上显示的图像的深度相匹配，通过在2D显示面板与柱透镜光栅之间、或2D显示面板远离柱透镜光栅的一侧设置掩模，使观看者在观看到不同深度的图像使能产生不同的视觉感受，从而减弱视疲劳。An embodiment of the present invention provides a 3D display system, which includes a 2D display panel, a lenticular lens grating, and a mask. The rod lens grating is arranged in front of the 2D display panel, and the distance between the rod lens grating and the mask is smaller than the focal length of the rod lens grating. When the viewer watches, the eyes will form a light spot on the mask after passing through the cylindrical lens grating. The mask includes a plurality of depth modulation fringe groups arranged along a first direction, the first direction is the same as the extension direction of the light spot, and the depth modulation fringe group matches the depth of the image displayed on the corresponding 2D display panel, by A mask is provided between the lenticular lens grating, or on the side of the 2D display panel away from the lenticular lenticular grating, so that viewers can have different visual experiences when watching images of different depths, thereby reducing visual fatigue.
本发明的实施例提供的3D显示装置，包括上述的3D显示系统，因此也具有能够减弱视疲劳的有益效果。The 3D display device provided by the embodiments of the present invention includes the above-mentioned 3D display system, so it also has the beneficial effect of reducing visual fatigue.
附图说明Description of drawings
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.
图1为本发明实施例1提供的3D显示系统的整体结构示意图；FIG. 1 is a schematic diagram of the overall structure of a 3D display system provided by Embodiment 1 of the present invention;
图2为本发明实施例1提供的3D显示系统中掩模的结构示意图；2 is a schematic structural diagram of a mask in a 3D display system provided by Embodiment 1 of the present invention;
图3为本发明实施例1提供的3D显示系统中2D显示面板的结构示意图；3 is a schematic structural diagram of a 2D display panel in the 3D display system provided by Embodiment 1 of the present invention;
图4为本发明实施例1提供的3D显示系统中光斑宽度与深度调制条纹组的节距一致时的示意图；FIG. 4 is a schematic diagram when the width of the light spot in the 3D display system provided by Embodiment 1 of the present invention is consistent with the pitch of the depth modulation fringe group;
图5为本发明实施例1提供的3D显示系统中光斑宽度与深度调制条纹组的节距不一致时的示意图；5 is a schematic diagram when the spot width and the pitch of the depth modulation fringe group in the 3D display system provided by Embodiment 1 of the present invention are inconsistent;
图6为本发明实施例1提供的3D显示系统的原理示意图。FIG. 6 is a schematic diagram of the principles of the 3D display system provided by Embodiment 1 of the present invention.
图标：010-3D显示系统；100-柱透镜光栅；200-2D显示面板；210-像素组；211-像素；300-掩模；310-深度调制条纹组；311-第一深度调制条纹；312-第二深度调制条纹；313-第一透光条；314-第二透光条；410-第一光线；420-第二光线；430-光斑。Icon: 010-3D display system; 100-cylindrical lens grating; 200-2D display panel; 210-pixel group; 211-pixel; 300-mask; 310-depth modulation stripe group; 311-first depth modulation stripe; 312 - the second depth modulation stripe; 313 - the first light transmission strip; 314 - the second light transmission strip; 410 - the first light beam; 420 - the second light beam; 430 - the light spot.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.
在本发明实施例的描述中，需要说明的是，术语“第一”、“第二”等仅用于区分描述，而不能理解为指示或暗示相对重要性。In the description of the embodiments of the present invention, it should be noted that terms such as "first" and "second" are only used to distinguish descriptions, and should not be understood as indicating or implying relative importance.
在本发明的实施例的附图中，A-B方向表示左右方向，C-D方向表示上下方向，E-F方向表示前后方向。In the drawings of the embodiments of the present invention, the A-B direction represents the left-right direction, the C-D direction represents the up-down direction, and the E-F direction represents the front-rear direction.
实施例1Example 1
图1为本实施例提供的3D显示系统010的整体结构示意图，图2为本实施例提供的3D显示系统010中掩模300的结构示意图。请结合参照图1和图2，本实施例提供一种3D显示系统010，其包括2D显示面板200、柱透镜光栅100和掩模300。柱透镜光栅100设置在2D显示面板200前方，且柱透镜光栅100与掩模300之间的距离s小于柱透镜光栅100的焦距f。观看者的目光经过柱透镜光栅100后在掩模300上形成一光斑430，光斑430沿上下方向延伸。掩模300设置在柱透镜光栅100与2D显示面板200之间、或2D显示面板200远离柱透镜光栅100的一侧。由于掩模300包括多个沿第一方向(即由上自下的方向)设置的深度调制条纹组310，深度调制条纹组310与对应的2D显示面板200上显示的图像的深度相匹配，因而不同深度的图像在经过掩模300调制后，会使观看者产生不同的视觉感受，从而减弱视疲劳。FIG. 1 is a schematic diagram of the overall structure of a 3D display system 010 provided in this embodiment, and FIG. 2 is a schematic diagram of the structure of a mask 300 in the 3D display system 010 provided in this embodiment. Please refer to FIG. 1 and FIG. 2 in conjunction. This embodiment provides a 3D display system 010 , which includes a 2D display panel 200 , a lenticular lens grating 100 and a mask 300 . The rod lens grating 100 is disposed in front of the 2D display panel 200 , and the distance s between the rod lens grating 100 and the mask 300 is smaller than the focal length f of the rod lens grating 100 . The eyes of the viewer form a light spot 430 on the mask 300 after passing through the cylindrical lens grating 100 , and the light spot 430 extends in the vertical direction. The mask 300 is disposed between the lenticular lens grating 100 and the 2D display panel 200 , or on a side of the 2D display panel 200 away from the lenticular lenticular grating 100 . Since the mask 300 includes a plurality of depth modulation stripe groups 310 arranged along the first direction (that is, from top to bottom), the depth modulation stripe groups 310 match the depth of the image displayed on the corresponding 2D display panel 200, thus Images of different depths, after being modulated by the mask 300 , will cause viewers to have different visual experiences, thereby reducing eye fatigue.
下面对本实施例提供的3D显示系统010进行进一步说明：The 3D display system 010 provided in this embodiment is further described below:
图3为本实施例提供的2D显示面板200的结构示意图。请参照图3，在本实施例中，2D显示面板200由多个像素211阵列排列构成。在2D显示面板200上，沿上下方向，至少两个像素211构成一个像素组210，同一像素组210显示的图像的深度相同。具体的，在本实施例中，2D显示面板200为液晶显示面板。此时，掩模300既可以设置在液晶显示面板和柱透镜光栅100之间，又可以设置在液晶显示面板远离柱透镜光栅100的一侧。FIG. 3 is a schematic structural diagram of a 2D display panel 200 provided in this embodiment. Please refer to FIG. 3 , in this embodiment, the 2D display panel 200 is composed of a plurality of pixels 211 arranged in an array. On the 2D display panel 200 , along the vertical direction, at least two pixels 211 form a pixel group 210 , and images displayed by the same pixel group 210 have the same depth. Specifically, in this embodiment, the 2D display panel 200 is a liquid crystal display panel. At this time, the mask 300 may be disposed between the liquid crystal display panel and the lenticular lens grating 100 , or may be disposed on a side of the liquid crystal display panel away from the lenticular lens grating 100 .
需要说明的，此处并不对2D显示面板200的类型进行限制，可以理解的，在其他实施例中，也可以根据用户的需求将2D显示面板200设置为其他显示面板，例如OLED(利用有机发光二极管制成的显示面板)、PDP(等离子显示面板)等。需要注意的是，此时掩模300仅能设置在2D显示面板200与柱透镜光栅100之间。It should be noted that the type of the 2D display panel 200 is not limited here. It can be understood that in other embodiments, the 2D display panel 200 can also be set as other display panels according to user requirements, such as OLED (using organic light emitting Display panels made of diodes), PDPs (plasma display panels), etc. It should be noted that the mask 300 can only be disposed between the 2D display panel 200 and the lenticular lens grating 100 at this time.
请参照图1，在本实施例中，为了获得更好的显示效果，2D显示面板200与柱透镜光栅100之间的距离小于柱透镜光栅100的焦距f。优选的，掩模300紧贴2D显示面板200设置。如此一来，掩模300与2D显示面板200之间的距离大致为零，观看者的目光在2D显示面板200处形成的光斑宽度d与掩模300处的相同。Referring to FIG. 1 , in this embodiment, in order to obtain a better display effect, the distance between the 2D display panel 200 and the lenticular lens grating 100 is smaller than the focal length f of the lenticular lenticular grating 100 . Preferably, the mask 300 is placed close to the 2D display panel 200 . In this way, the distance between the mask 300 and the 2D display panel 200 is approximately zero, and the light spot width d formed by the eyes of the viewer on the 2D display panel 200 is the same as that on the mask 300 .
请参照图2，在本实施例中，深度调制条纹组310包括多个交替排列的第一深度调制条纹311和第二深度调制条纹312，第一深度调制条纹311的宽度与第二深度调制条纹312的宽度相同，因而同一像素211的图像在经过同一深度调制条纹组310时，能够产生相同的视觉感受。同时，第一深度调制条纹311和第二深度调制条纹312的宽度与对应图像的深度相匹配，不同深度的图像经过对应的深度调制条纹组310调制，能够产生不同的视觉感受。第一深度调制条纹311和第二深度调制条纹312的宽度之和即为深度调制条纹组310的节距宽度l。Please refer to FIG. 2, in this embodiment, the depth modulation stripe group 310 includes a plurality of alternately arranged first depth modulation stripes 311 and second depth modulation stripes 312, and the width of the first depth modulation stripes 311 is the same as that of the second depth modulation stripes. The widths of 312 are the same, so when images of the same pixel 211 pass through the same depth modulation stripe group 310 , they can produce the same visual experience. At the same time, the widths of the first depth modulation stripes 311 and the second depth modulation stripes 312 match the depth of the corresponding image, and images of different depths are modulated by the corresponding depth modulation stripe group 310 to produce different visual experiences. The sum of the widths of the first depth modulation stripes 311 and the second depth modulation stripes 312 is the pitch width l of the depth modulation stripe group 310 .
具体的，第一深度调制条纹311包括沿第一方向设置的第一透光条313和第二透光条314；第二深度调制条纹312包括沿第一方向设置的第二透光条314和第一透光条313；第一透光条313与第二透光条314的透光率不同。当观看者的目光在掩模300处形成的光斑宽度d与深度调制条纹组310的节距宽度l一致(如图4所示)时，同一像素组210的每一像素211能够以同等比例覆盖在光斑430上，即同一像素组210的每一像素211均能以同等光强度进行显示，此时，图像具有最强的高频信息，细节信息得以充分展现，图像纹理清晰；当光斑宽度d与深度调制条纹组310的节距宽度l不一致(如图5所示)时，同一像素组210的至少两个像素211不能以同等比例覆盖在光斑430上，即同一像素组210的各像素211不能以同等光强度进行显示，此时，图像的高频信息被削弱，图像纹理模糊。优选的，第二透光条314为挡光条。Specifically, the first depth modulation stripes 311 include first light transmission strips 313 and second light transmission stripes 314 arranged along the first direction; the second depth modulation stripes 312 include second light transmission stripes 314 and second light transmission stripes arranged along the first direction. The first light-transmitting strip 313 ; the transmittance of the first light-transmitting strip 313 and the second light-transmitting strip 314 are different. When the spot width d formed by the eyes of the viewer at the mask 300 is consistent with the pitch width l of the depth modulation stripe group 310 (as shown in FIG. 4 ), each pixel 211 of the same pixel group 210 can cover On the light spot 430, that is, each pixel 211 of the same pixel group 210 can be displayed with the same light intensity. At this time, the image has the strongest high-frequency information, the detailed information can be fully displayed, and the image texture is clear; when the light spot width d When the pitch width l of the depth modulation stripe group 310 is inconsistent (as shown in FIG. 5 ), at least two pixels 211 of the same pixel group 210 cannot cover the light spot 430 in the same proportion, that is, each pixel 211 of the same pixel group 210 It cannot be displayed with the same light intensity. At this time, the high-frequency information of the image is weakened and the image texture is blurred. Preferably, the second light-transmitting strip 314 is a light-blocking strip.
图6为本实施例提供的3D显示系统010的原理示意图。请参照图6，观看者的目光在透过柱透镜光栅100后会在掩模300上汇聚成一光斑430。当人眼焦距发生变化时，光线的汇聚程度也在变化。当观看者的目光分别以第一光线410和第二光线420投射汇聚到掩模300上时，由于光线的汇聚程度不同，在掩模300上形成的光斑430的光斑宽度d也会发生变化。当光斑宽度d与深度调制条纹组310的节距宽度l一致时，对应的图像的具有最强的高频信息，细节信息得以充分展现，图像纹理清晰，此时，人眼正确对焦；当光斑宽度d与深度调制条纹组310的节距宽度l不一致时，图像的高频信息被削弱，图像纹理模糊，此时人眼不正确对焦。FIG. 6 is a schematic diagram of the principles of the 3D display system 010 provided in this embodiment. Referring to FIG. 6 , the eyes of the viewer will converge into a light spot 430 on the mask 300 after passing through the cylindrical lens grating 100 . When the focal length of the human eye changes, the concentration of light also changes. When the eyes of the viewer converge on the mask 300 with the first light 410 and the second light 420 respectively, the spot width d of the light spot 430 formed on the mask 300 will also change due to the different convergence degrees of the light. When the spot width d is consistent with the pitch width l of the depth modulation fringe group 310, the corresponding image has the strongest high-frequency information, the detail information is fully displayed, and the image texture is clear. At this time, the human eye focuses correctly; when the spot When the width d is inconsistent with the pitch width l of the depth modulation stripe group 310, the high frequency information of the image will be weakened, the image texture will be blurred, and the human eye will not focus correctly at this time.
深度调制条纹组310与像素组210一一对应设置。深度调制条纹组310的节距根据对应的图像的深度进行设置，多个不同节距的深度调制条纹组310沿上下方向设置，当人眼对焦、光斑宽度d不发生变化时，由于深度调制条纹组310的节距宽度l与对应图像深度相匹配，不同深度的图像对应的深度调制条纹组310的节距宽度l不同，因而不同深度的图像在观看者观看时的产生的清晰程度不同。The depth modulation stripe group 310 is set in one-to-one correspondence with the pixel group 210 . The pitch of the depth modulation fringe group 310 is set according to the depth of the corresponding image, and a plurality of depth modulation fringe groups 310 with different pitches are arranged along the up and down direction. When the human eye focuses and the spot width d does not change, the depth modulation fringe The pitch width l of the group 310 matches the depth of the corresponding image, and the pitch width l of the depth modulation stripe group 310 corresponding to images of different depths is different, so the images of different depths have different degrees of clarity when viewed by the viewer.
综上，本发明的实施例提供的3D显示系统010，能够将图像的深度信息，用不同节距宽度的调制条纹来进行表示，以图像纹理在人眼对焦时的清晰程度，来表示图像的深度，从而达到减弱视疲劳的目的。To sum up, the 3D display system 010 provided by the embodiment of the present invention can represent the depth information of the image with modulated stripes with different pitch widths, and use the clarity of the image texture when the human eye focuses to represent the depth information of the image. depth, so as to achieve the purpose of reducing visual fatigue.
本实施例还提供了一种3D显示装置(图未示出)，其包括上述的3D显示系统010。由于该3D显示装置包括上述的3D显示系统010，因而也具有能够减弱视疲劳的目的。This embodiment also provides a 3D display device (not shown in the figure), which includes the above-mentioned 3D display system 010 . Since the 3D display device includes the above-mentioned 3D display system 010 , it also has the purpose of reducing visual fatigue.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
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